.border-radius(@border-radius){
  border-radius: @border-radius;
  -o-border-radius: @border-radius;
  -ms-border-radius: @border-radius;
  -webkit-border-radius: @border-radius;
  -moz-border-radius: @border-radius;
}
.opacity(@opacity){
  @opacityPercentage: @opacity * 100;
  filter:~"alpha(opacity=(@opacityPercentage))"; /* IE */
  -moz-opacity:@opacity; /* 老版Mozilla */
  -khtml-opacity:@opacity; /* 老版Safari */
  opacity: @opacity; /* 支持opacity的浏览器*/
}
.transform(@transform){
  -webkit-transform: @transform;
  -moz-transform: @transform;
  -ms-transform: @transform;
  -o-transform: @transform;
  transform: @transform;
}
.transition(@transition){
  -webkit-transition: @transition;
  -moz-transition: @transition;
  -o-transition: @transition;
  transition: @transition;
}
.transition-timing-function(@transition-timing-function){
  -webkit-transition-timing-function: @transition-timing-function;
  -moz-transition-timing-function: @transition-timing-function;
  -ms-transition-timing-function: @transition-timing-function;
  -o-transition-timing-function: @transition-timing-function;
  transition-timing-function: @transition-timing-function;
}
.transition-duration(@transition-duration){
  -webkit-transition-duration: @transition-duration; /* Safari 和 Chrome */
  -moz-transition-duration: @transition-duration; /* Firefox 4 */
  -o-transition-duration: @transition-duration;
  transition-duration: @transition-duration;
}
.transition-property(@transition-property){
  -webkit-transition-property: @transition-property; /* Safari 和 Chrome */
  -moz-transition-property: @transition-property; /* Firefox 4 */
  -o-transition-property: @transition-property;
  transition-property: @transition-property;
}
.transform-origin(@transform-origin){
  -webkit-transform-origin: @transform-origin;
  -moz-transform-origin: @transform-origin;
  -o-transform-origin:@transform-origin ;
  transform-origin: @transform-origin;
}